RecursiveCleaner.java

package com.multimote.microz.item.admin;

import com.multimote.microz.utils.OtherUtils;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.ChatComponentText;
import net.minecraft.world.World;

import java.util.List;

/**
 * Created by multimote on 31.07.14.
 */
public class RecursiveCleaner extends AdminItem {
    public RecursiveCleaner(){
        setUnlocalizedName("recleaner");
        setTextureName("microz:recleaner");
    }

    public void onUpdate(ItemStack is, World world, Entity en, int par4, boolean par5) {
        checkCompound(is);
    }

    public void add(ItemStack is) {
        incrementIntIfNotNull(is, "BlockLimit");
    }

    public void rem(ItemStack is) {
        int current = getIntIfNotNull(is, "BlockLimit");
        if(current-1>1)decrementIntIfNotNull(is, "BlockLimit");
    }

   public void breakblocks(World world, ItemStack is, int x, int y, int z, Block block){
       if(world.getBlock(x , y, z)!=block || getIntIfNotNull(is,  "BlocksDone") >  getIntIfNotNull(is,  "BlockLimit")) return;
         world.setBlockToAir(x, y, z);
         incrementIntIfNotNull(is, "BlocksDone");
         breakblocks(world, is, x+1, y, z, block);
         breakblocks(world, is, x-1, y, z, block);
         breakblocks(world, is, x, y+1, z, block);
         breakblocks(world, is, x, y-1, z, block);
         breakblocks(world, is, x, y, z+1, block);
         breakblocks(world, is, x, y, z-1, block);
   }

    @Override
    public boolean onItemUse(ItemStack is, EntityPlayer player, World world, int x, int y, int z, int p_77648_7_, float p_77648_8_, float p_77648_9_, float p_77648_10_) {
        if(!world.isRemote && OtherUtils.checkPermsAndSendMsg(player)){
            setIntIfNotNull(is, "BlocksDone", 0);
            setIntIfNotNull(is, "BlockLimit", 30);
           try {
              breakblocks(world, is, x, y, z, world.getBlock(x, y, z));
           }catch (StackOverflowError err){
              player.addChatMessage(new ChatComponentText("Oops, StackOverflow."));
           }
        }
        return true;
    }

    @Override
    public void addInformation(ItemStack is, EntityPlayer par2EntityPlayer, List list, boolean par4) {
       list.add("Limit: " + getIntIfNotNull(is, "BlockLimit"));
       list.add("Last broken: " + getIntIfNotNull(is, "BlocksDone"));
    }
}